DNSBL Spam Check

Checked IP: 4.53.78.7
rDNS/PTR record: hybrid.cranbrook.edu

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: hybrid.cranbrook.edu
50.4081 ms
Inactive: 2
Inactive
Response in: 4.6856649 seconds
Amount of searched blacklists: 25 (2 inactive)